Police say Alandra Young was last seen in the 3100 block of Harding Street in Regina on June 3.
She is described by police as caucasian, about five-foot-seven inches tall, weighs about 120 pounds and has a slim build.
Police say she has long, wavy, dark-blonde hair and blue eyes. She was last seen wearing blue leggings, a grey tank top and glasses.
Young is considered vulnerable due to her age and police say there is a concern for her safety and well-being.
Anyone with information is asked to contact police at 306-777-6500 or Crime Stoppers at 1-800-222-8477.